| 6,761,988 Fuel cell system with active methanol concentration control
|
4 |
2000
|
| 6,589,679 Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
|
11 |
2000
|
| 6,794,067 Fuel cell control and measurement apparatus and method, using dielectric constant measurements
|
6 |
2000
|
| 6,821,658 Cold start and temperature control method and apparatus for fuel cell system
|
18 |
2001
|
| 6,866,952 Apparatus and method for controlling undesired water and fuel transport in a fuel cell
|
3 |
2001
|
| 6,566,003 Method and apparatus for CO2 - driven air management for a fuel cell system
|
9 |
2001
|
| 6,869,716 Flow through gas separator
|
3 |
2001
|
| 6,794,071 Apparatus and method for rapidly increasing power output from a direct oxidation fuel cell
|
4 |
2001
|
| 6,824,899 Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
|
6 |
2001
|
| 6,981,877 Simplified direct oxidation fuel cell system
|
14 |
2002
|
| 6,890,680 Modified diffusion layer for use in a fuel cell system
|
12 |
2002
|
| 7,416,798 Apparatus and methods for generating water in a fuel cell system
|
0 |
2002
|
| 6,808,837 Enclosed fuel cell system and related method
|
6 |
2002
|
| 7,235,316 Integrated heat management of electronics and fuel cell power system
|
1 |
2002
|
| 7,297,430 Anode diffusion layer for a direct oxidation fuel cell
|
0 |
2002
|
| 6,590,370 Switching DC-DC power converter and battery charger for use with direct oxidation fuel cell power source
|
29 |
2002
|
| 6,699,021 Passively pumped liquid feed fuel cell system
|
6 |
2002
|
| 7,407,721 Direct oxidation fuel cell operating with direct feed of concentrated fuel under passive water management
|
7 |
2003
|
| 7,282,293 Passive water management techniques in direct methanol fuel cells
|
10 |
2003
|
| 7,270,900 Automatic measurement of fuel cell resistance
|
1 |
2003
|
| 6,991,865 Apparatus and methods for sensor-less optimization of methanol concentration in a direct methanol fuel cell system
|
6 |
2004
|
| 7,205,059 Methods and apparatuses for managing effluent products in a fuel cell system
|
1 |
2005
|
| 7,179,501 Modified diffusion layer for use in a fuel cell system
|
5 |
2005
|
| 7,638,215 Method of controlling delivery of fuel to a direct oxidation fuel cell
|
3 |
2005
|
| 7,541,109 Passive water management techniques in direct methanol fuel cells
|
3 |
2007
|
| 6,303,244 Direct methanol feed fuel cell and system
|
42 |
1999
|
| 6,703,150 Direct methanol feed fuel cell and system
|
4 |
2001
|
| 7,282,291 Water free proton conducting membranes based on poly-4-vinylpyridinebisulfate for fuel cells
|
0 |
2003
|
| 7,470,478 Direct methanol feed fuel cell and system
|
1 |
2004
|
| 7,488,548 Direct methanol feed fuel cell and system
|
0 |
2004
|
| 7,425,384 Direct methanol feed fuel cell and system
|
1 |
2004
|
